. 2020 Apr 18;52(2):339–345. [Article in Chinese] doi: 10.19723/j.issn.1671-167X.2020.02.023

3.

不同牙位的牙龈厚度x±s

Gingival thickness of different tooth site and tooth type x±s/mm

Tooth site	n	Rec	PD	WKT	GTDM
Rec, recession depth; PD, probing depth; WKT, width of keratinized tissue; GTDM, gingival thickness of direct measurement. a, results of independent-samples t test between maxillary and mandibular teeth; b, results of calibration of independent sample t test between maxillary and mandibular teeth.
Maxillary	48	2.34±0.96	1.71±0.54	3.42±1.66	1.39±0.44
Incisors	15	1.57±0.60	1.87±0.64	4.67±1.14	1.27±0.44
Canines	11	2.64±0.78	1.55±0.52	3.27±1.21	1.18±0.28
Premolars	22	2.73±0.96	1.68±0.48	2.64±1.68	1.57±0.46
Mandibular	64	2.53±1.02	1.50±0.54	2.44±1.38	1.01±0.31
Incisors	22	2.52±0.98	1.41±0.50	3.43±1.49	0.93±0.31
Canines	13	2.04±0.72	1.46±0.52	2.23±0.88	1.04±0.25
Premolars	29	2.76±1.11	1.59±0.57	1.74±0.97	1.06±0.33
P		0.326^a	0.045^a	0.001^a	<0.001^b